WO2021203776A1 - Mécanisme de collage de matériaux en feuille - Google Patents

Mécanisme de collage de matériaux en feuille Download PDF

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Publication number
WO2021203776A1
WO2021203776A1 PCT/CN2021/000079 CN2021000079W WO2021203776A1 WO 2021203776 A1 WO2021203776 A1 WO 2021203776A1 CN 2021000079 W CN2021000079 W CN 2021000079W WO 2021203776 A1 WO2021203776 A1 WO 2021203776A1
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WO
WIPO (PCT)
Prior art keywords
sheet material
arc
teeth
rollers
roller
Prior art date
Application number
PCT/CN2021/000079
Other languages
English (en)
Chinese (zh)
Inventor
刘坤
高贤杰
施雄
李明辉
汪永寿
Original Assignee
昆明鼎承启鑫科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 昆明鼎承启鑫科技有限公司 filed Critical 昆明鼎承启鑫科技有限公司
Publication of WO2021203776A1 publication Critical patent/WO2021203776A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1805—Flying splicing, i.e. the expiring web moving during splicing contact
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/10—Handled articles or webs
    • B65H2701/11—Dimensional aspect of article or web
    • B65H2701/113—Size
    • B65H2701/1133—Size of webs

Definitions

  • the invention relates to a splicing mechanism for band-shaped materials, in particular to a splicing mechanism for heating and not burning tobacco sheets, and belongs to the technical field of design and manufacture of extrusion splicing devices.
  • the raw and auxiliary materials are supplied as sheet materials that are wound into rolls.
  • wrapping materials for rods such as cigarette paper
  • Filling material for rods such as tobacco-based rods.
  • the sheet material is required to be used as a wrapping paper or as a tobacco base rod for filling, its circumferential diameter must be within a certain size range.
  • the tensile strength of the splicing section of the new and old sheet materials is much smaller than the tensile strength of the normal sheet materials, and cannot meet the tensile strength requirements of the heat-not-burn cigarette production process for the tobacco sheet materials.
  • the splicing mechanism can only complete the horizontal overlap of the two sheets, that is, the splicing section is a horizontal belt with a certain width, so that the thickness of each cross-section of the splicing section is doubled or more than the original foundation. The process will affect the diameter of the tobacco base rod, cause jams due to passing through related equipment at the same time, and reduce the tensile strength of the splicing section.
  • the purpose of the present invention is to provide a splicing mechanism capable of forming an oblique section at one time into splicing sections of new and old sheet materials.
  • a sheet material splicing mechanism comprising two rollers mated with each other, characterized in that at least one of the rollers is provided with an arc-shaped protrusion on the roller surface, so as to pass through the cooperating extrusion of the two rollers.
  • the pressure especially through the arc-shaped protrusion, causes the new and old sheet materials entering between the two rollers to form an inclined splicing section that gradually transitions from one end to the other in the width direction at a time.
  • the arc-shaped protrusion is a spiral protrusion, or a bent wavy protrusion, or a continuous smooth transition curve protrusion.
  • a plurality of independent concave-convex teeth are arranged on the surface of the arc-shaped convex at intervals or continuously, and the plurality of independent concave-convex teeth are polygonal teeth with concave and convex around the circumference, round teeth or triangular teeth, or convex and concave around the middle.
  • Polygonal teeth or circular teeth or triangular teeth and are single polygonal teeth, circular teeth or triangular teeth, or at least two of intersecting or alternating polygonal teeth, circular teeth, and triangular teeth.
  • At least one end of the arc-shaped protrusion is provided with a straight section perpendicular to the running direction of the new and old sheet materials, which is used to remove front and rear waste materials during the splicing process to create favorable mechanical conditions.
  • the distance between the roll surface of the arc-shaped protrusion on the feeding side and the top surface of the arc-shaped protrusion is 0.3-2 times the thickness of the sheet material, so as to function as a tension partition during the splicing process, and at the same time prevent the tobacco sheet
  • the production of plastic deformation provides favorable conditions for quickly tearing off the waste at the head of the new sheet material and the tail of the old sheet material;
  • the distance between the surfaces is at least 2 times the thickness of the sheet material, so as to quickly tear off the waste at the head of the new sheet material and the tail of the old sheet material during the splicing process to eliminate obstacles.
  • the discharge side of the arc-shaped protrusion is not provided with a roller surface, so as to quickly tear off the waste at the head of the new sheet material and the tail of the old sheet material during the splicing process to eliminate obstacles.
  • the width of the arc-shaped protrusion is 3 to 35% of the width of the sheet material, so as to reduce the splicing area of the splicing section as much as possible while ensuring that the splicing section has sufficient splicing strength.
  • the roller surface of the other roller of the two rollers is flat.
  • roller shafts of the two rollers are respectively provided with roller surfaces with the same cross section and fan-shaped, and one of the roller surfaces is provided with an arc-shaped protrusion, and the other roller surface is a flat surface.
  • the roller shafts of the two rollers are respectively connected with the corresponding power machines, so as to rotate under the driving of the respective power machines, so as to roll the new and old sheet materials entering between the two rollers, and form a new and old sheet material in the width direction at one time.
  • the inclined splicing section gradually transitions from one end to the other end.
  • the roller shafts of the two rollers are connected with a transmission mechanism, and the transmission mechanism is connected with a power machine, so that under the drive of the power machine, the two roller shafts and the rollers are driven to rotate synchronously through the transmission mechanism, so as to enter the two rollers.
  • the new and old sheet materials in between are rolled, and an inclined splicing section that gradually transitions from one end to the other is formed in the width direction at a time.
  • the new and old sheet materials entering between the two rollers are rolled and spliced, and a piece of new and old sheet materials in the width direction of the new and old sheet materials is gradually slanted and transitioned from one side to the other.
  • a splicing section with a certain width which becomes an oblique direct section or an oblique arc splicing section after the sheet material is unfolded, and at least one end of the splicing section is a straight section parallel to the width direction of the new and old sheet materials, so that the The thickness of each cross section of the splicing section is only 3-35% of the double layer (thick), and the rest is single layer (thin), so when passing through the related equipment of the subsequent process, only 3-35% The thickened part is passed, and the rest are passed in a single layer, which completely solves the problem of jamming and the diameter of the tobacco base rod that exceeds the specification, while ensuring the tensile strength of the splicing section.
  • the oblique splicing section is still one-time Rolling is completed without the use of adhesive auxiliary materials, which not only greatly simplifies the process steps and equipment structure, but also satisfies the subsequent requirements of the geometric size and taste of the tobacco base rod, and provides reliable technical support for the production of heat-not-burn cigarette products. .
  • the splicing mechanism provided by the present invention is also applied to the splicing of other sheet materials.
  • Figure 1 is a schematic diagram of the structure of the present invention
  • Figure 2 is an enlarged view of part A in Figure 1;
  • FIG. 3 is a schematic diagram of the application of the present invention.
  • Figure 4 is a partial view of the new and old sheet materials with oblique splicing sections processed by the structure shown in Figure 1
  • FIG. 5 is a schematic diagram of another roller surface structure of the present invention.
  • Figure 6 is a partial view of the new and old sheet materials with oblique splicing sections processed by the structure shown in Figure 5;
  • Fig. 7 is a schematic diagram of another structure of the present invention.
  • the sheet material splicing mechanism provided by the present invention includes two rollers 511 and 521 mated with each other.
  • One of the rollers 511 is provided with an arc-shaped protrusion 512 on the roller surface, and the arc-shaped protrusion 512 is a spiral protrusion.
  • it can also be a curved convex convex or a continuous smooth transition curve convex; the roll surface of the other roll 521 is flat;
  • roller shafts 51, 52 of the two rollers are respectively provided with roller surfaces 511, 521 with the same cross-section and fan-shaped, and one of the roller surfaces 511 is provided with an arc-shaped protrusion 512, and the other roller surface 521 is flat;
  • the surface of the arc-shaped protrusion 512 is provided with a number of independent concave-convex teeth at intervals, and the several independent concave-convex teeth are all quadrilateral teeth with a single central recess 5121 and a peripheral convex 5122. Obviously, it can also be a single central recess and peripheral convex.
  • the round or triangular teeth of may also be a single polygonal or circular or triangular tooth with a convex middle part and concave surroundings, or at least two of polygonal teeth, circular teeth, and triangular teeth that are intersecting or alternate;
  • One end of the arc-shaped protrusion 512 is provided with a straight section 513 perpendicular to the running direction of the new and old sheet materials, which is used to remove waste from the head of the new sheet material and the tail of the old sheet material during the splicing process to create favorable mechanical conditions ;
  • the width of the arc-shaped protrusion 512 is 9% of the width C of the sheet material, so as to reduce the splicing area of the splicing section B as much as possible while ensuring that the splicing section B has sufficient splicing strength;
  • the distance between the roller surface 514 on the feeding side of the arc-shaped protrusion 512 and the top surface of the arc-shaped protrusion 512 is 0.5 times the thickness of the sheet material, so as to interrupt the tension during the splicing process and prevent tobacco
  • the plastic deformation of the sheet removes obstacles to quickly tear off the waste at the head of the new sheet material and the tail of the old sheet material;
  • the discharge side of the arc-shaped protrusion 512 is provided with a roller surface 515, and the distance between the roller surface 515 and the top surface of the arc-shaped protrusion 512 is at least twice the thickness of the sheet material, so as to be Quickly tear off the waste at the head of the new sheet material and the tail of the old sheet material to eliminate the obstacles;
  • roller shafts 51 and 52 of the two rollers are respectively connected with corresponding power machines (not shown in the figure), so as to rotate under the driving of the corresponding power machines, so as to correct the new and old sheet materials 3, 4 Perform rolling, and form an inclined splicing section B that gradually transitions from one end to the other in the width direction at a time;
  • roller shafts 51, 52 of the two rollers can also be connected to a conventional gear transmission mechanism or belt transmission mechanism at the same time, and the gear transmission mechanism or belt transmission mechanism is then connected to a power machine, so that under the drive of the power machine,
  • the two roller shafts 51, 52 and rollers 511, 521 are driven to rotate synchronously through a gear transmission mechanism or a belt transmission mechanism, so that the new and old sheet materials 3, 4 entering between the two rollers are rolled, and one time in the width direction
  • An inclined splicing section B gradually transitioning from one end to the other end is formed.
  • the two rollers 511, 521 and the corresponding roller shafts 51, 52 and the conventional feeding device constitute a feeding and splicing unit.
  • the feeding device includes new and old sheet material rolls 2, 1, which are respectively installed on the corresponding reel 21 , 11 on.

Landscapes

  • Replacement Of Web Rolls (AREA)

Abstract

La présente invention concerne un mécanisme de collage de matériaux en feuille comprenant deux rouleaux (511, 521) qui sont raccordés de manière coopérative, une saillie en forme d'arc (512) étant disposée sur la face de rouleau d'au moins un rouleau (511); le collage par rouleau est réalisé pour des matériaux en feuille nouveaux et anciens (3, 4) qui ont pénétré entre les deux rouleaux, et un segment collé (B) d'une certaine largeur et ayant une transition progressivement inclinée d'un côté vers l'autre côté dans une direction de largeur (C) est formé par collage, de sorte que, lors du passage à travers un dispositif associé dans un processus ultérieur, seuls 3 à 35 % d'une partie d'épaisseur ajoutée sont passés à travers, et le reste étant la totalité de la couche unique qui est passée à travers, résolvant ainsi les problèmes de bourrage et d'obstruction ainsi que le problème selon lequel le diamètre d'une tige de base de tabac dépasse la spécification, et garantissant également une résistance à la traction correcte du segment collé; en outre, le segment collé incliné est encore terminé en un tour de laminage, ce qui simplifie la structure du dispositif, et satisfait également des exigences telles que celles pour des dimensions géométriques et un arôme de bâton de base de tabac, ce qui permet d'obtenir un support technologique fiable pour la production de produits de tabac chauffé.
PCT/CN2021/000079 2020-04-09 2021-04-09 Mécanisme de collage de matériaux en feuille WO2021203776A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010275941.1 2020-04-09
CN202010275941.1A CN111362034A (zh) 2020-04-09 2020-04-09 一种薄片材料拼接机构

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Publication Number Publication Date
WO2021203776A1 true WO2021203776A1 (fr) 2021-10-14

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WO (1) WO2021203776A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024052298A1 (fr) * 2022-09-06 2024-03-14 Philip Morris Products S.A. Dispositif de collage et procédé de raccordement par collage de feuilles de matériau

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111362034A (zh) * 2020-04-09 2020-07-03 昆明鼎承启鑫科技有限公司 一种薄片材料拼接机构

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US20020166918A1 (en) * 2001-02-22 2002-11-14 Fuji Photo Film Co., Ltd. Paster roller
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CN207329884U (zh) * 2017-08-28 2018-05-08 安徽中烟工业有限责任公司 一种卷接机组的新型盘纸拼接装置
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CN212049737U (zh) * 2020-04-09 2020-12-01 昆明鼎承启鑫科技有限公司 一种薄片材料拼接机构

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024052298A1 (fr) * 2022-09-06 2024-03-14 Philip Morris Products S.A. Dispositif de collage et procédé de raccordement par collage de feuilles de matériau

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